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    Random nondeterministic real functions and Arthur Merlin games

    Moser, Philippe (2002) Random nondeterministic real functions and Arthur Merlin games. Technical Report. Electronic Colloquium on Computational Complexity.

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    We construct a nondeterministic version of \textbf{APP}, denoted \textbf{NAPP}, which is the set of all real valued functions f:01[01] , that are approximable within 1/k, by a probabilistic nondeterministic transducer, in time poly(1kn ). We show that the subset of all Boolean functions in \mbfNAPP is exactly \textbf{AM}. We exhibit a natural complete problem for \textbf{NAPP}, namely computing the acceptance probability of a nondeterministic Boolean circuit. Then we prove that similarly to \textbf{AM}, the error probability for \textbf{NAPP} functions can be reduced exponentially. We also give a co-nondeterministic version, denoted \textbf{coNAPP}, and prove that all results for \textbf{NAPP} also hold for \textbf{coNAPP}. Then we construct two mappings between \tbf{NAPP} and promise-\tbf{AM}, which preserve completeness. Finally we show that in the world of deterministic computation, oracle access to \textbf{AM} is the same as oracle access to \textbf{NAPP}, i.e. \mbfP\mbfNAPP=\mbfP\mbfprAM.

    Item Type: Monograph (Technical Report)
    Keywords: Arthur Merlin games; Randomness; real functions;
    Academic Unit: Faculty of Science and Engineering > Computer Science
    Item ID: 10309
    Identification Number: Revision #1 to TR02-006
    Depositing User: Philippe Moser
    Date Deposited: 11 Dec 2018 16:35
    Publisher: Electronic Colloquium on Computational Complexity
      Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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